Home / 10,851,770.40-16,277,655.60-8,340,103.20

Finding the Fourth Proportional to 10,851,770.40, 16,277,655.60 and 8,340,103.20

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Solution

The fourth proportional to 10,851,770.40, 16,277,655.60 and 8,340,103.20 is: 12,510,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,770.40 : 16,277,655.60 = 8,340,103.20 : x
  2. Step 2: Convert to fraction form
    10,851,770.40/16,277,655.60 = 8,340,103.20/x
  3. Step 3: Cross multiply
    10,851,770.40x = 16,277,655.60 × 8,340,103.20
  4. Step 4: Simplify right side
    10,851,770.40x = 135,757,327,558,057.92
  5. Step 5: Solve for x
    x = 135,757,327,558,057.92/10,851,770.40
  6. Step 6: Final answer
    x = 12,510,154.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.